The EVK1101 provides one USART Interfaces : Usart 1
RS232 level converters provide proper voltage levels for compliance to the RS232 standard with full control(UART_1)
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This USART Interface is connected through level adapter to two DB9 connectors.
This has the following pinout:
GPIO Name | Alternate function used |
---|---|
PA 23 | U1_TX |
PB 04 | U1_CTS |
PA 24 | U1_RX |
PB 05 | U1_RTS |